In precision theodolite traverse if included angles are read twice and the mean reading accepted using both verniers having a least count of 30". Assuming the instrument to be in perfect adjustment, linear measurements correct to 6 mm per 30 metre tape duly corrected for temperature, slope and sag, the angular error of closure not to exceed (where n is the number of traverse legs) (A) 50" n(B) 30" n(C) 60" n (D) None of these

In precision theodolite traverse if included angles are read twice and the mean reading accepted
using both verniers having a least count of 30". Assuming the instrument to be in perfect
adjustment, linear measurements correct to 6 mm per 30 metre tape duly corrected for
temperature, slope and sag, the angular error of closure not to exceed (where n is the number of
traverse legs)
(A) 50" n
(B) 30" n
(C) 60" n
(D) None of these
by

1 Answer

Answer :

(A) 50" n
by

Related questions

In a precision traverse, included angles are measured by setting the vernier (A) To read zero exactly on back station (B) To read 5° exactly on back station (C) Somewhere near zero and reading both verniers on back station (D) All the above

Description : In a precision traverse, included angles are measured by setting the vernier  (A) To read zero exactly on back station  (B) To read 5° exactly on back station  (C) Somewhere near zero and reading both verniers on back station  (D) All the above

Last Answer : (C) Somewhere near zero and reading both verniers on back station 

Under ordinary conditions, the precision of a theodolite traverse is affected by (A) Systematic angular errors (B) Accidental linear errors (C) Systematic linear errors (D) Accidental angular errors

Description : Under ordinary conditions, the precision of a theodolite traverse is affected by (A) Systematic angular errors (B) Accidental linear errors (C) Systematic linear errors (D) Accidental angular errors

Last Answer : (C) Systematic linear errors

Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point (A) Angular measurements are correct and not the linear measurements (B) Linear measurements are correct and not the angular measurements (C) Angular and linear measurements are correct and not the plotting of traverse (D) Angular and linear measurements and also plotting of the traverse are correct

Description : Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point (A) Angular measurements are correct and ... plotting of traverse (D) Angular and linear measurements and also plotting of the traverse are correct

Last Answer : (D) Angular and linear measurements and also plotting of the traverse are correct

If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs, the accuracy of the traverse may be improved by (A) Taking short legs (B) Making repeated observations of angular and linear measurements (C) Making a subsidiary traverse to determine the length of a long leg (D) All the above

Description : If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs,  the accuracy of the traverse may be improved by  (A) Taking short legs  (B) Making ... (C) Making a subsidiary traverse to determine the length of a long leg  (D) All the above 

Last Answer : (C) Making a subsidiary traverse to determine the length of a long leg 

Setting out a curve by two theodolite method, involves (A) Linear measurements only (B) Angular measurements only (C) Both linear and angular measurements (D) None of these

Description : Setting out a curve by two theodolite method, involves (A) Linear measurements only (B) Angular measurements only (C) Both linear and angular measurements (D) None of these

Last Answer : (B) Angular measurements only

The included angles of a theodolite traverse, are generally measured (A) Clockwise from the forward station (B) Anti-clockwise from the back station (C) Anti-clockwise from the forward station (D) Clockwise from the back station

Description : The included angles of a theodolite traverse, are generally measured (A) Clockwise from the forward station (B) Anti-clockwise from the back station (C) Anti-clockwise from the forward station (D) Clockwise from the back station

Last Answer : (D) Clockwise from the back station

The most reliable method of plotting a theodolite traverse, is (A) By consecutive co-ordinates of each station (B) By independent co-ordinates of each station (C) By plotting included angles and scaling off each traverse leg (D) By the tangent method of plotting

Description : The most reliable method of plotting a theodolite traverse, is (A) By consecutive co-ordinates of each station (B) By independent co-ordinates of each station (C) By plotting included angles and scaling off each traverse leg (D) By the tangent method of plotting

Last Answer : (B) By independent co-ordinates of each station

If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by (A) Bowditch's rule (B) Transit rule (C) Empirical rule (D) All of the above

Description : If the angular measurements of a traverse are more precise than its linear measurements,  balancing of the traverse, is done by  (A) Bowditch's rule  (B) Transit rule  (C) Empirical rule  (D) All of the above 

Last Answer : (B) Transit rule 

Transit rule of adjusting the consecutive coordinates of a traverse is used where (A) Linear and angular measurements of the traverse are of equal accuracy (B) Angular measurements are more accurate than linear measurements (C) Linear measurements are more accurate than angular measurements (D) All of the above

Description : Transit rule of adjusting the consecutive coordinates of a traverse is used where (A) Linear and angular measurements of the traverse are of equal accuracy (B) Angular measurements are more accurate ... (C) Linear measurements are more accurate than angular measurements (D) All of the above

Last Answer : (B) Angular measurements are more accurate than linear measurements

Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations? (A) Measuring angle and distance from one transit station (B) Measuring angles to the point from at least two stations (C) Measuring angle at one station and distance from other (D) Measuring distance from two points on traverse line

Description : Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations? (A) Measuring angle and distance from one transit station (B) ... at one station and distance from other (D) Measuring distance from two points on traverse line

Last Answer : (B) Measuring angles to the point from at least two stations

If is the pull applied at the ends of tape in kg, is the length of tape between end marks in metres, is the weight of the tape in kg per metre run, then sag correction (A) C = w²l3 /24F² (B) C = w 3 l²/24F² (C) C = w²l3 /24F3 (D) C = 24w²l3 /80F

Description : If is the pull applied at the ends of tape in kg, is the length of tape between end marks in metres, is the weight of the tape in kg per metre run, then sag correction (A) C = w²l3 /24F² (B) C = w 3 l²/24F² (C) C = w²l3 /24F3 (D) C = 24w²l3 /80F

Last Answer : (A) C = w²l3 /24F²

Which one of the following statements is correct? (A) When the axes of rotation of the graduated circle and the verniers are not coincident, the instrument possesses eccentricity (B) The mean of the readings of the two verniers gives correct reading free from the eccentricity (C) One Vernier may be used if the readings of two verniers differ by a constant (D) All the above

Description : Which one of the following statements is correct? (A) When the axes of rotation of the graduated circle and the verniers are not coincident, the instrument possesses eccentricity (B) The mean of the ... Vernier may be used if the readings of two verniers differ by a constant (D) All the above

Last Answer : (D) All the above

Which of the following in theodolite work is imperfect adjustment of the instrument (a) Error due to line of collimation being perpendicular to the horizontal axis (b) Error due to axis not to perpendicular of the vertical axis (c) Error due to imperfect graduation (d) Error due to eccentricity of vernires (e) All of the above*

Description : Which of the following in theodolite work is imperfect adjustment of the instrument (a) Error due to line of collimation being perpendicular to the horizontal axis (b) Error due to axis not to perpendicular ... to imperfect graduation (d) Error due to eccentricity of vernires (e) All of the above*

Last Answer : (e) All of the above*

Pick up the incorrect statement from the following: (A) While measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length (B) An increase in temperature causes a tape to increase in length and the measured distance is too large (C) The straight distance between end points of a suspended tape is reduced by an amount called the sag correction (D) A 100 m tape of cross section 10 mm × 0.25 mm stretches about 10 mm under 5 kg pull

Description : Pick up the incorrect statement from the following: (A) While measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length (B) An increase in ... ) A 100 m tape of cross section 10 mm 0.25 mm stretches about 10 mm under 5 kg pull

Last Answer : (B) An increase in temperature causes a tape to increase in length and the measured distance is too large

A theodolite is said to be in perfect adjustment if (A) Rotation axis is vertical to the transit axis (B) Transit axis is perpendicular to line of collimation (C) Line of collimation sweeps out a vertical plane while the telescope is elevated or depressed (D) All the above

Description : A theodolite is said to be in perfect adjustment if (A) Rotation axis is vertical to the transit axis (B) Transit axis is perpendicular to line of collimation (C) Line of collimation sweeps out a vertical plane while the telescope is elevated or depressed (D) All the above

Last Answer : (D) All the above

Bowditch rule is applied to (A) An open traverse for graphical adjustment (B) A closed traverse for adjustment of closing error (C) Determine the effect of local attraction (D) None of the above

Description : Bowditch rule is applied to (A) An open traverse for graphical adjustment (B) A closed traverse for adjustment of closing error (C) Determine the effect of local attraction (D) None of the above

Last Answer : (B) A closed traverse for adjustment of closing error

To avoid large centering error with very short legs, observations are generally made (A) To chain pins (B) By using optical system for centering the theodolite (C) To a target fixed on theodolite tripod on which theodolite may be fitted easily (D) All the above

Description : To avoid large centering error with very short legs, observations are generally made (A) To chain pins (B) By using optical system for centering the theodolite (C) To a target fixed on theodolite tripod on which theodolite may be fitted easily (D) All the above

Last Answer : (C) To a target fixed on theodolite tripod on which theodolite may be fitted easily

The bearings of two traverse legs AB and BC are N52° 45' E and N34° 30' E respectively. The deflection angle is (A) 18° 15' E (B) 18° 15' N (C) 18° 15' W (D) 18° 15' L

Description : The bearings of two traverse legs AB and BC are N52° 45' E and N34° 30' E respectively. The deflection angle is (A) 18° 15' E (B) 18° 15' N (C) 18° 15' W (D) 18° 15' L

Last Answer : (D) 18° 15' L

In chain surveying field work is limited to (A) Linear measurements only (B) Angular measurements only (C) Both linear and angular measurements (D) All the above

Description : In chain surveying field work is limited to (A) Linear measurements only (B) Angular measurements only (C) Both linear and angular measurements (D) All the above

Last Answer : (A) Linear measurements only

You are calibrating a multimeter using internal batteries to supply power for resistance measurements. However, you are unable to adjust the pointer to 'zero' using the adjustment knob. Therefore, you should _____________. A. replace the batteries in the instrument B. measure resistance by dividing the voltmeter indication by the ammeter indication C. set the pointer using a bridge D. change scales to the R X 100 scale and adjust using the 'zero ohms' adjusting knob

Description : You are calibrating a multimeter using internal batteries to supply power for resistance measurements. However, you are unable to adjust the pointer to 'zero' using the adjustment knob. Therefore, you should ... change scales to the R X 100 scale and adjust using the 'zero ohms' adjusting knob

Last Answer : Answer: A

List any four methods of plotting a compass traverse survey & explain any one in brief. Also state the meaning of adjustment of closing error of traverse.

Description : List any four methods of plotting a compass traverse survey & explain any one in brief. Also state the meaning of adjustment of closing error of traverse.

Last Answer : Methods of plotting compass traverse are: 1. By parallel meridian through each station. 2. By included angle. 3. By paper protractor. 4. By rectangular co-ordinates. 5. ... . 5. Finally join new points to get corrected traverse ABCDEA after graphical adjustment of closing error. 

Explain Graphical adjustment of closing error in a closed traverse.

Description : Explain Graphical adjustment of closing error in a closed traverse.  

Last Answer : Step: 1) Draw a horizontal line AA1 equal to the length of perimeter of the traverse to a suitable scale. 2) Mark the distances AB,BC,CD, etc on the line as per their lengths. 3) Draw a perpendicular ... errors 7) Join the the new points which gives the closed traversed. A, B, C, D and A.

Centering error of a theodolite produces an error (A) In all angles equally (B) Which does not vary with the direction or pointing (C) Which varies with the direction of pointing and inversely with the length of sight (D) None of these

Description : Centering error of a theodolite produces an error (A) In all angles equally (B) Which does not vary with the direction or pointing (C) Which varies with the direction of pointing and inversely with the length of sight (D) None of these 

Last Answer : (C) Which varies with the direction of pointing and inversely with the length of sight 

Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to (A) 14.14 m (B) 28.28 m (C) 200 m (D) None of these

Description : Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of ... should be limited to (A) 14.14 m (B) 28.28 m (C) 200 m (D) None of these

Last Answer : (B) 28.28 m

Pick up the correct statement from the following: (A) It is difficult to eliminate an error completely at first trial (B) Instability of the instrument makes it almost impossible to adjust it satisfactorily (C) Adjustment screws must be left bearing firmly but should never be forced (D) All the above

Description : Pick up the correct statement from the following: (A) It is difficult to eliminate an error completely at first trial (B) Instability of the instrument makes it almost impossible to adjust it ... ) Adjustment screws must be left bearing firmly but should never be forced (D) All the above

Last Answer : (D) All the above

The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly (A) 0.043 m (B) 0.053 m (C) 0.063 m (D) 0.083 m

Description : The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly  (A) 0.043 m  (B) 0.053 m  (C) 0.063 m  (D) 0.083 m 

Last Answer : (D) 0.083 m 

Pick up the correct statement from the following: (A) The framework which consists of a series of connected lines, the lengths and directions of which are found from measurements, is called a traverse (B) The system of a series of lines which forms a circuit which ends at the starting point, is called a closed traverse (C) The traverse that starts from a point already fixed in some survey system and ends on another such point, is called a controlled traverse (D) All the above

Description : Pick up the correct statement from the following: (A) The framework which consists of a series of connected lines, the lengths and directions of which are found from measurements, is called a traverse ... system and ends on another such point, is called a controlled traverse (D) All the above

Last Answer : (D) All the above

The magnitude of ‘sag correction’ during measurement of lengths by taping is proportional to the : (a) Cube of the weight of the tape, in kg per m run (b) Cube root of the weight of the tape, in kg per m run (c) Square of the weight of the tape, in kg per m run (d) Square root of the weight of the tape, in kg per m run

Description : The magnitude of sag correction' during measurement of lengths by taping is proportional to the : (a) Cube of the weight of the tape, in kg per m run (b) Cube root of the weight of the tape, in kg per m run ... the tape, in kg per m run (d) Square root of the weight of the tape, in kg per m run

Last Answer : (c) Square of the weight of the tape, in kg per m run

A student measured the diameter of a small steel ball using a screw gauge of least count 0.001 cm. The main scale reading is 5 mm and zero of circular

Description : A student measured the diameter of a small steel ball using a screw gauge of least count 0.001 cm. The main scale reading is 5 mm and zero of circular

Last Answer : A student measured the diameter of a small steel ball using a screw gauge of least count 0.001 cm. The main scale ... (C) 0.053 cm (D) 0.529 cm

The Pitch of helixes in circular columns shall not exceed [ A ] 25 mm [ B ] 50 mm [ C ] 60 mm [ D ] 75 mm

Description : The Pitch of helixes in circular columns shall not exceed [ A ] 25 mm [ B ] 50 mm [ C ] 60 mm [ D ] 75 mm

Last Answer : [ D ] 75 mm

For a closed traverse the omitted measurements may be calculated (A) Length of one side only (B) Bearing of one side only (C) Both length and bearing of one side (D) All the above

Description : For a closed traverse the omitted measurements may be calculated (A) Length of one side only (B) Bearing of one side only (C) Both length and bearing of one side (D) All the above

Last Answer : (D) All the above

Pick up the correct statement from the following (A) 1 second of arc corresponds to a displacement ratio of 1:206, 300 (B) 1 degree of arc corresponds to a displacement ratio of 1:57(C) The angular errors tend to propagate themselves along a traverse as the square root of the number of stations (D) All the above

Description : Pick up the correct statement from the following (A) 1 second of arc corresponds to a displacement ratio of 1:206, 300 (B) 1 degree of arc corresponds to a displacement ratio of 1:57 (C) ... to propagate themselves along a traverse as the square root of the number of stations (D) All the above

Last Answer : (D) All the above

Theodolite is an instrument used for (a) Tightening the capstan-headed nuts of level tube (b) Measurement of horizontal angles only (c) Measurement of vertical angles only (d) Measurement of both horizontal and vertical angles*

Description : Theodolite is an instrument used for (a) Tightening the capstan-headed nuts of level tube (b) Measurement of horizontal angles only (c) Measurement of vertical angles only (d) Measurement of both horizontal and vertical angles*

Last Answer : (d) Measurement of both horizontal and vertical angles*

If span is 150 mts and sag is 10 ft of a cable carrying a load of 3200 kg per horizontal metre then tension of ends is a.104,000 kg b.107 dynes c.1200,000 kg d.932,000 kg e.584,000 kg

Description : If span is 150 mts and sag is 10 ft of a cable carrying a load of 3200 kg per horizontal metre then tension of ends is a.104,000 kg b.107 dynes c.1200,000 kg d.932,000 kg e.584,000 kg

Last Answer : d. 932,000 kg

Explain in brief linear measurements using: {i) Chaining (ii) Digital Tape

Description : Explain in brief linear measurements using: {i) Chaining (ii) Digital Tape

Last Answer : i. Chaining:  a. Linear measurement with chain carried out by two chainmen-Leader and follower.  b. The follower keeps the chain handle at starting station point, holds firmly it and directs the ... is at right spot, press the button and tape measures, calculates and displays distance on screen.

Which of the following statements is incorrect? (A) Error due to refraction may not be completely eliminated by reciprocal levelling (B) Tilting levels are commonly used for precision work (C) The last reading of levelling is always a foresight (D) All of the above statements are incorrect

Description : Which of the following statements is incorrect? (A) Error due to refraction may not be completely eliminated by reciprocal levelling (B) Tilting levels are commonly used for precision work (C) The last reading of levelling is always a foresight (D) All of the above statements are incorrect

Last Answer : (D) All of the above statements are incorrect

For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If co-efficiency of permeability of the dam material is 3 × 10-3 cm3 /sec, the discharge per metre length of dam, is (A) 12 × 10-5 m3 /sec (B) 24 × 10-3 m3 /sec (C) 6 × 10-5 m3 /sec (D) 24 × 10-5 m3 /sec

Description : For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If co-efficiency of permeability of the dam material is ... 24 10-3 m3 /sec (C) 6 10-5 m3 /sec (D) 24 10-5 m3 /sec

Last Answer : (D) 24 × 10-5 m3 /sec

Pick up the correct statement from the following: (A) The apparent error on reversal is twice the actual error (B) The correction may be made equal to half the observed discrepancy (C) The good results may be obtained from a defective instrument by reversing and taking the mean of two erroneous results (D) All the above

Description : Pick up the correct statement from the following: (A) The apparent error on reversal is twice the actual error (B) The correction may be made equal to half the observed discrepancy (C) The ... a defective instrument by reversing and taking the mean of two erroneous results (D) All the above

Last Answer : (D) All the above

A pile of length carrying a uniformly distributed load per metre length is suspended at the centre and from other two points 0.15 L from either end ; the maximum hogging moment will be (A) WL²/15 (B) WL²/30 (C) WL²/60 (D) WL²/90

Description : A pile of length carrying a uniformly distributed load per metre length is suspended at the centre and from other two points 0.15 L from either end ; the maximum hogging moment will be (A) WL²/15 (B) WL²/30 (C) WL²/60 (D) WL²/90

Last Answer : Answer: Option D

A precision Approach Procedure is defined as: a. An approach using bearing, elevation and distance information b. An approach with a crew of at least 2 pilots trained for such operations c. An instrument approach procedure utilizing azimuth and glide path information provided by an ILS or a PAR d. An approach using bearing, elevation, and, optionally, distance information

Description : A precision Approach Procedure is defined as: a. An approach using bearing, elevation and distance information b. An approach with a crew of at least 2 pilots trained for such operations c. An ... by an ILS or a PAR d. An approach using bearing, elevation, and, optionally, distance information

Last Answer : c. An instrument approach procedure utilizing azimuth and glide path information provided by an ILS or a PAR

A precision Approach Procedure is defined as: a. An approach using bearing, elevation and distance information b. An approach with a crew of at least 2 pilots trained for such operations c. An instrument approach procedure utilizing azimuth and glide path information provided by an ILS or a PAR

Description : A precision Approach Procedure is defined as: a. An approach using bearing, elevation and distance information b. An approach with a crew of at least 2 pilots trained for such ... An instrument approach procedure utilizing azimuth and glide path information provided by an ILS or a PAR

Last Answer : c. An instrument approach procedure utilizing azimuth and glide path information provided by an ILS or a PAR

Consider a project with the following functional units : Number of user inputs = 50 Number of user outputs = 40 Number of user enquiries = 35 Number of user files = 06 Number of external interfaces = 04 Assuming all complexity adjustment factors and weighing factors as average, the function points for the project will be (A) 135 (B) 722 (C) 675 (D) 672

Description : Consider a project with the following functional units : Number of user inputs = 50 Number of user outputs = 40 Number of user enquiries = 35 Number of user files = 06 Number of external interfaces = 04 ... average, the function points for the project will be (A) 135 (B) 722 (C) 675 (D) 672

Last Answer : (D) 672

Horizontal distances obtained tacheometerically are corrected for (A) Slope correction (B) Temperature correction (C) Refraction and curvature correction (D) All the above

Description : Horizontal distances obtained tacheometerically are corrected for  (A) Slope correction  (B) Temperature correction  (C) Refraction and curvature correction  (D) All the above 

Last Answer : (C) Refraction and curvature correction

Probable accidental error in precise levelling as recommended by International Geodetic Association should not exceed (where k is in kilometers.) (A) ± 0.1 k mm (B) ± 0.5 k mm (C) ± 1 k mm (D) ± 5 k mm

Description : Probable accidental error in precise levelling as recommended by International Geodetic Association should not exceed (where k is in kilometers.) (A) ± 0.1 k mm (B) ± 0.5 k mm (C) ± 1 k mm (D) ± 5 k mm

Last Answer : (C) ± 1 k mm

Probable systematic error in precise levelling as recommended by International Geodetic Association should not exceed (where is in kilometers.) (A) ± 0.1 k mm (B) ± 0.2 k mm (C) ± 0.1 k (D) 0.2 k mm

Description : Probable systematic error in precise levelling as recommended by International Geodetic Association should not exceed (where is in kilometers.) (A) ± 0.1 k mm (B) ± 0.2 k mm (C) ± 0.1 k (D) 0.2 k mm

Last Answer : (D) 0.2 k mm

For Unbraced column, the ratio of the clear height of the column to the minimum dimension of the column shall not exceed [ A ] 30 [ B ] 40 [ C ] 50 [ D ] 60

Description : For Unbraced column, the ratio of the clear height of the column to the minimum dimension of the column shall not exceed [ A ] 30 [ B ] 40 [ C ] 50 [ D ] 60

Last Answer : [ A ] 30

In order to avoid the material failure in a braced column, the clear distance between restraints should never exceed [ A ] 30 times the minimum dimensions of the column [ B ] 40 times the minimum dimensions of the column [ C ] 50 times the minimum dimensions of the column [ D ] 60 times the minimum dimensions of the column

Description : In order to avoid the material failure in a braced column, the clear distance between restraints should never exceed [ A ] 30 times the minimum dimensions of the column [ B ] 40 times the minimum ... 50 times the minimum dimensions of the column [ D ] 60 times the minimum dimensions of the column

Last Answer : [ D ] 60 times the minimum dimensions of the column

If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is (A) w (R + T)/T (B) w (R² + T²)/T (C) w (R + T)/T (D) w (R/T)

Description : If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is (A) w (R + T)/T (B) w (R² + T²)/T (C) w (R + T)/T (D) w (R/T)

Last Answer : Answer: Option B